//******************************************************************************
//
// Copyright (c) 2016 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
//******************************************************************************

#pragma once

#import <StoreKit/StoreKitExport.h>
#import <Foundation/NSObject.h>

@class SKPaymentQueue;
@class NSArray;
@class NSError;

@protocol SKPaymentTransactionObserver <NSObject>
@required
- (void)paymentQueue:(SKPaymentQueue*)queue updatedTransactions:(NSArray*)transactions;
@optional
- (void)paymentQueue:(SKPaymentQueue*)queue removedTransactions:(NSArray*)transactions;
- (void)paymentQueue:(SKPaymentQueue*)queue restoreCompletedTransactionsFailedWithError:(NSError*)error;
- (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue*)queue;
- (void)paymentQueue:(SKPaymentQueue*)queue updatedDownloads:(NSArray*)downloads;
@end
